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|
Test that the zone family is honoured when setting up inter-zone forwarding rules.
-- Testcase --
{%
include("./root/usr/share/firewall4/main.uc", {
getenv: function(varname) {
switch (varname) {
case 'ACTION':
return 'print';
}
}
})
%}
-- End --
-- File uci/helpers.json --
{}
-- End --
-- File uci/firewall.json --
{
"zone": [
{
"name": "wanA",
"device": [ "eth0" ],
"auto_helper": 0
},
{
"name": "wanB",
"device": [ "eth1" ],
"auto_helper": 0
},
{
"name": "lan",
"device": [ "eth2" ],
"auto_helper": 0
}
],
"forwarding": [
{
".description": "This should only allow IPv6 forwarding from lan to wanA",
"src": "lan",
"dest": "wanA",
"family": "IPv6"
},
{
".description": "This should only allow IPv4 forwarding from lan to wanB",
"src": "lan",
"dest": "wanB",
"family": "IPv4"
}
]
}
-- End --
-- Expect stdout --
table inet fw4
flush table inet fw4
table inet fw4 {
#
# Defines
#
define wanA_devices = { "eth0" }
define wanA_subnets = { }
define wanB_devices = { "eth1" }
define wanB_subnets = { }
define lan_devices = { "eth2" }
define lan_subnets = { }
#
# User includes
#
include "/etc/nftables.d/*.nft"
#
# Filter rules
#
chain input {
type filter hook input priority filter; policy drop;
iif "lo" accept comment "!fw4: Accept traffic from loopback"
ct state vmap { established : accept, related : accept } comment "!fw4: Handle inbound flows"
iifname "eth0" jump input_wanA comment "!fw4: Handle wanA IPv4/IPv6 input traffic"
iifname "eth1" jump input_wanB comment "!fw4: Handle wanB IPv4/IPv6 input traffic"
iifname "eth2" jump input_lan comment "!fw4: Handle lan IPv4/IPv6 input traffic"
}
chain forward {
type filter hook forward priority filter; policy drop;
ct state vmap { established : accept, related : accept } comment "!fw4: Handle forwarded flows"
iifname "eth0" jump forward_wanA comment "!fw4: Handle wanA IPv4/IPv6 forward traffic"
iifname "eth1" jump forward_wanB comment "!fw4: Handle wanB IPv4/IPv6 forward traffic"
iifname "eth2" jump forward_lan comment "!fw4: Handle lan IPv4/IPv6 forward traffic"
}
chain output {
type filter hook output priority filter; policy drop;
oif "lo" accept comment "!fw4: Accept traffic towards loopback"
ct state vmap { established : accept, related : accept } comment "!fw4: Handle outbound flows"
oifname "eth0" jump output_wanA comment "!fw4: Handle wanA IPv4/IPv6 output traffic"
oifname "eth1" jump output_wanB comment "!fw4: Handle wanB IPv4/IPv6 output traffic"
oifname "eth2" jump output_lan comment "!fw4: Handle lan IPv4/IPv6 output traffic"
}
chain prerouting {
type filter hook prerouting priority filter; policy accept;
}
chain handle_reject {
meta l4proto tcp reject with tcp reset comment "!fw4: Reject TCP traffic"
reject with icmpx type port-unreachable comment "!fw4: Reject any other traffic"
}
chain input_wanA {
jump drop_from_wanA
}
chain output_wanA {
jump drop_to_wanA
}
chain forward_wanA {
jump drop_to_wanA
}
chain accept_to_wanA {
oifname "eth0" counter accept comment "!fw4: accept wanA IPv4/IPv6 traffic"
}
chain drop_from_wanA {
iifname "eth0" counter drop comment "!fw4: drop wanA IPv4/IPv6 traffic"
}
chain drop_to_wanA {
oifname "eth0" counter drop comment "!fw4: drop wanA IPv4/IPv6 traffic"
}
chain input_wanB {
jump drop_from_wanB
}
chain output_wanB {
jump drop_to_wanB
}
chain forward_wanB {
jump drop_to_wanB
}
chain accept_to_wanB {
oifname "eth1" counter accept comment "!fw4: accept wanB IPv4/IPv6 traffic"
}
chain drop_from_wanB {
iifname "eth1" counter drop comment "!fw4: drop wanB IPv4/IPv6 traffic"
}
chain drop_to_wanB {
oifname "eth1" counter drop comment "!fw4: drop wanB IPv4/IPv6 traffic"
}
chain input_lan {
jump drop_from_lan
}
chain output_lan {
jump drop_to_lan
}
chain forward_lan {
meta nfproto ipv6 jump accept_to_wanA comment "!fw4: Accept lan to wanA IPv6 forwarding"
meta nfproto ipv4 jump accept_to_wanB comment "!fw4: Accept lan to wanB IPv4 forwarding"
jump drop_to_lan
}
chain drop_from_lan {
iifname "eth2" counter drop comment "!fw4: drop lan IPv4/IPv6 traffic"
}
chain drop_to_lan {
oifname "eth2" counter drop comment "!fw4: drop lan IPv4/IPv6 traffic"
}
#
# NAT rules
#
chain dstnat {
type nat hook prerouting priority dstnat; policy accept;
}
chain srcnat {
type nat hook postrouting priority srcnat; policy accept;
}
#
# Raw rules (notrack)
#
chain raw_prerouting {
type filter hook prerouting priority raw; policy accept;
}
chain raw_output {
type filter hook output priority raw; policy accept;
}
#
# Mangle rules
#
chain mangle_prerouting {
type filter hook prerouting priority mangle; policy accept;
}
chain mangle_postrouting {
type filter hook postrouting priority mangle; policy accept;
}
chain mangle_input {
type filter hook input priority mangle; policy accept;
}
chain mangle_output {
type route hook output priority mangle; policy accept;
}
chain mangle_forward {
type filter hook forward priority mangle; policy accept;
}
}
-- End --
|
